NVIDIA GeForce GTX 1660 Ti 对 NVIDIA A800 PCIe 40 GB. 规格

显卡的基本技术数据比较 NVIDIA GeForce GTX 1660 Ti 和 NVIDIA A800 PCIe 40 GB, 芯片，信息处理单元.

• 建筑学
  Turing Ampere
• CUDA Cores
  1536 -
• Execution Units
  1536 6912
• GPU芯片
  TU116 GA100
• L1 Cache
  64 KB 192 KB
• L2 Cache
  1,536 MB 40 MB
• 渲染输出单位
  48 160
• 纹理单位
  96 432

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

• Memory Bandwidth
  288 GB/s 1,555 GB/s
• Memory Bus
  192 bit 5120 bit
• Memory Clock
  1500 MHz 1215 MHz
• Memory Data Rate
  12 Gbps 2.4 Gbps
• 内存大小
  6 GB 40 GB
• 存储器类型
  GDDR6 HBM2e

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

• 基准频率
  1500 MHz 765 MHz
• 最大频率
  1770 MHz 1410 MHz

Graphics card power limits and recommended system power supply describe different specifications.

• Graphics Card Power
  120 W -
• Maximum GPU Temperature
  95 °C -
• System Power Supply
  450 W (Minimum system power requirement) 600 W (PSU recommendation)
• TDP
  120 W 250 W

连通性和连接.

• DisplayPort Ports
  1 × DisplayPort 1.4a -
• DVI端口
  1 × DVI -
• HDMI端口
  1 × HDMI 2.1 -
• 最大。显示
  3 -
• Other Display Outputs (unparsed)
  DP 1.4a; HDMI 2.0b; DL-DVI-D -
• PCIe Interface
  PCIe 3.0 x16 PCIe 4.0 x16
• Power Connectors
  8-pin 8-pin EPS

在电脑游戏中被充分使用的技术数据.

• CUDA
  7.5 8.0
• DirectX
  12.1 12.2
• 最大分辨率
  3840 × 2160 3840 × 2160
• OpenCL
  3.0 3.0
• OpenGL
  4.6 4.6
• Shader Model
  6.7 (6.4) -
• Vulkan
  1.3 -

所比较的设备在尺寸、重量和插槽上的差异

• 高度
  35 mm -
• 长度
  229 mm 267 mm
• Slot Size
  Dual-slot Dual-slot
• Width
  111 mm 112 mm

GPU的接口和发布日期的比较 NVIDIA A800 PCIe 40 GB 和 NVIDIA GeForce GTX 1660 Ti.

• Manufacturer specification scope
  NVIDIA Founders Edition/reference design. Clock specifications apply to gaming use. AIB shipping specifications and complete-system power needs may differ. -
• Multi-monitor support
  是 -
• Official source
  https://www.nvidia.com/en-us/geforce/graphics-cards/compare/ -
• Process Technology
  12 nm 7 nm
• 发布日期
  Q1/2019 Q3/2022
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. -
• Verified on
  2026-09-30 -

• FP16 (theoretical)
  10.87 TFLOPS (2:1) 77.97 TFLOPS (4:1)
• FP32 (theoretical)
  5.437 TFLOPS 19.49 TFLOPS
• FP64 (theoretical)
  169.9 GFLOPS (1:32) 9.746 TFLOPS (1:2)
• Pixel Rate
  84.96 GPixel/s 225.6 GPixel/s
• Texture Rate
  169.9 GTexel/s 609.1 GTexel/s